| 摘要 |
PROBLEM TO BE SOLVED: To improve an operation environment by preventing flickering of the light on a road surface.SOLUTION: In a road, a sidewall part 2 is erected on both left-right sides of a road surface part 1, and in a state of releasing an upper part between both left-right sidewall parts 2 toward the sky, a sidewall part support beam 3 installed over between both left-right sidewall parts 2 is juxtaposed in large numbers at a predetermined interval in the lengthwise direction of the road surface part 1 above the road surface part 1, and a light transmissive scattering plate 4 for covering the mutual adjacent sidewall part support beams 3 is provided with every mutual adjacent sidewall part support beams 3.SELECTED DRAWING: Figure 1 |
